What animal idioms are there?

Idioms related to animals include: abusing the old animal's heart, making friends with animals, six animals in the five mountains, fighting with trapped animals, poisonous snakes and beasts, three animals crossing the devil's advocate, eating when they are in trouble, the wolf's son's animal heart, dancing with animals, phoenix, rare birds and animals, bird tracks, caged birds' animal heart, birds' voices and animals' poverty, and enthusiasm.